The Vegetable Oil Transformer, also known as a natural ester filled transformer, is an environmentally friendly power transformer that uses vegetable oil as an insulating and cooling medium instead of traditional mineral oil. This type of transformer is designed to reduce the environmental impact of transformer operation, improve safety, and enhance sustainability. Pearl Electric's Vegetable Oil Transformer normally applies to Wind Farms, Solar Power Plants, Hydropower Stations, Data Centers and Urban Areas, etc.